For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...

New research suggests AI can be repeatedly fooled into mistaking non-life for life.

When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even ...

For decades, humanity has listened to the cosmos, hoping that somewhere among the stars another civilization might be trying ...

A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study suggests alien life could be going undetected because scientists focus more on avoiding false discoveries than missing ...

The Pentagon released its fourth batch of UFO files Friday following President Trump’s declassification order, including ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

The meteorite that crashed into a Somerset County home in 2024 contained cosmic ingredients that are considered the "building ...